Izitsha ze-headspace ezingu-20mm ze-crimp-top ziwuhlobo oluthile lwe-vial esetshenziswa ku-gas chromatography (GC) nokuhlaziywa kwe-headspace.
Lawa mabhodlela aklanyelwe ukubamba amasampula ukuze ahlaziywe adinga ukusampula kwe-headspace, okubandakanya ukuhlaziya izingxenye eziguquguqukayo ezikhona ku-headspace ngaphezu kwesampula ewuketshezi noma eqinile.
Izitsha ze-20mm ze-crimp-top headspace zisetshenziswa kakhulu ezimbonini ezahlukahlukene, kufaka phakathi ezemithi, ukudla nesiphuzo, ukuhlaziya kwezemvelo, kanye nokucwaninga.
Inika amandla ukuhlaziya okunembile nokuthembekile kwezinhlanganisela eziguquguqukayo kumasampuli, ihlinzeka ngolwazi olubalulekile lokulawula ikhwalithi, ukuphepha, nezinjongo zocwaningo.